1. Grimes Rock Inc 3500 Grimes Canyon Rd, Fillmore, CA 93015 Coordinate: 34.402557,-118.90407 Phone: (805) 524-7594
2. MRC Rock & Sand 1565 W Ventura St, Fillmore, CA 93015 Coordinate: 34.39368,-118.94901 Phone: (805) 524-5569